Apparatus for cutting metal.



A. MESSER.

APPARATUS FOR CUTTING METAL.

APPLicATloN mso om. 31. 1912.

Patented May H, 1915.

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ATTUR/VEY A. MESSER.

APPARATUS FOR CUTTING METAL.

APPLICATION FILED 001.31. I9I2.

LT1 399%8. Patented May 11, 1915.

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Lll original application mea .rune 2e, 1an,

To all whom t may concern Be it known that l2, Anonr MESSER, a subject of the Emperor of Germany,residing in the city vof Frankfort-on-the-Main, Germany, have invented certain new 'and useful Improvements in Apparatus for Cutting Metal, of which thefollowing,` taken in connection 'with the accompanying sheet of drawing, is a full, clear, and' 4concise description.'

This application is a division of application led by me on June 29, 1911, Serial Number 636,112.l

rlhe present invention relates to the construction of a tool used for the above-stated purpose and comprehends certain details of construction which, in their" combination, 1 simplified and easily operated too v A. further object of. my invention is to provide means whereby -nozzles of `different forms may be used and are, therefore, interchangeable with respect to the handle portion of the tool.

Further objects of my'invention are to provide means whereby the nozzles may be following specification.

In the drawing ,forming a part of this specification, Figure 1 is a central, longitudinal, sectional .vielw of a preferable form of my improved cutter, the hand-lever being shown in full. Fig. 1. is a cross-sectional view of the nozzle shown in Fig. .1, taken on line A-A. f Fig. 2 is a central sectional .view of a di'erent form of nozzle used for supplying two supporting flames. Fig. 2 `is a crosspsectional view taken on line A-A of Fig. 2.. Fig. 3 is an endk elevation of the device -showmg the means for controlling the angle of cut relative tothe' surface Worked upon, Fig. 4 is an enlarged view of one of the tractors assembled, and, Fig. 5 is an end elevation of thel device equipped with a radius bar and. positioned for cutting at an angle to the surface worked upon.

Speccation of Letters Patent.

Patented May 14, 1915.

Serial No. 636,112. Dvied and this application filed-October 31, 1912. Serial No. 728,819.

, The outer tube 7 constitutesfthe handle for the cutter and is secured to the head 8. The head 8 has in the present showing an integral tube 9, disposed within the tube 7, and of such dimensions Vrelatively thereto that` a gas passage or chamber 10 will be provided between the innerwall of one tube v and the-outer wall of the other. The bore of the tube 9 constitutes a gas chamber or passage 11. -Gras will be supplied to these chambers or'passages -from suitable sources through connections l2 and which connections are, inthe present illustration, controlled by a single valve 14. Both tubes 7 'and 9 are connectedto the head portion 15. The nozzle 16 is shown secured to the head by a coupling 17.

F or convenience of description vit will be assumed that the oxygen is supplied to passage 11 and a cooperative heating gas to pas sage l0.`

The nozzle is shown provided with a mix'- ing chamber 18. A channel 19 leads from the gas passage 10 to the mixing chamber. Oxygen will pass from the passage 11 into the central passage 20 of the head and when the valve 21 is closed on its seat 22, through channel 23, into the mixing chamber 18. The mixed gases for the heating flame will pass out of the nozzle orifice 24 and roduce'a heating and supporting flame. he valve 21 closes the channel 25 and nozzle orice 26 against the flow of oxygen until such time as the heating flame has done its work and the cutting fiame'is to be brought into action. Upon raisingv the valve 21 from its seat, the How of oxygen will be divided, partgoing to the mixing chamber for supplying the heating gas, and the larger portion, under less obstruction, passing to supply the cutting flame.

convenlent means .for actuating the and 13l respectively,

valve 21 is illustrated. A hand-lever 27v is mounted on a fulcrum-support 28, and engagesan eye vin the valve-stem 29. The lever is provided with a finger-hook 30, andV a thumb-piece 31.

vice is made removable as shown, the same being held in posi-tionby 'a screw-coupling 17.4 Thisprovides avery convenient means for removing the burner and makes accessible the interlor valve mechanism for adjustment or cleanin purposes. At the same time, different orms of burners may be conveniently usedwith one operating tool.

The burner lor nozzle portion of the de-lv ln blow-pipes used for cutting iron by means of oxygen, in which `one heating flame is employed for preceding the oxygen ray in order to produce quired for oxidation,

the temperature rethe Adisa-dvaritarge is .experienced that by the striking of the cutting flame or oxygen. ray on the iron tobe cut a' pressure is exerted on the darne which is deflected and diii'used. Hence the cuts necessitate a powerful oxygen ray and therei'ore a large expenditure of oxygen. -Notwithstanding this, the cuts in most cases become rough. The ring-shaped beating llames support the oxygen in some measure during the cutting, but the lateral parts ot the iron or the cutting edges of the same are melted downand fail to remain sharpedged. v

in the form -oi: burner illustrated in Fig. 2, two heating gas orifices are provided., 24:', 24C, for furnishing the cutting flame With two heating dames; namely., one which precedes the oxygen ray for producing the temperature required 'for oxidation, and and other Which follows it in the cutting crevice by mea-ns oi1 its high emission speed. rlhe last-mentioned heating darne following the heating ray performs this important lWork Without the noxious consequences of the ring-shaped heating llame consisting in the melting down of the cutting edges, and besides insures a smooth cut and edects great economy in eas.

For the purpose of holding the cutting flame at the desired angle'to the surface of the material being Worked upon, the head in Fig. 3is shown provided With a pair of adjustable tracker-Wheels 32, 32. Each wheel has its axle carried by a slide -33. The slides are provided with longitudinal slots 34, adjustably held to a yoke 35, by set-screws 36 and nuts 37. The set-screws also serve to clamp the yoke in. osition on the head.- By the adjustment o the slides the angle of the flame can be determined. This assures the precise and even cutting of bevels.

One of the screws'36 is shown provided with a socket 38 and an external screwthread 39 for the attachment of a radiusbar 40. The radius-bar has a ball 4]. forA the socket, which ball will be heldin place by a coupling 42. The radius-barcarries a center-pin 43 which by means of a set-screw 44 is adjustable longitudinall of the bar for determining. the radius o cut, and by means of a set-screw 45 is adjustable transs versely for edecting the angularity of theI flame to the axis of the cutting movement.

1 do not limit myself to the precise details,

Lisette since changes may be made lWithin the vscope of the claims. j

.Having thus described my invention, what l elaiin as new herein and desire to secure by Letters Patent is:

l. in 'a cutter, the combination with a burner nozzle, a yoke mounted thereon, a pair of Wheels carried by said yoke and independently adjustable one relatively to the other.

2. ln a cutter, the combination with a cutter head provided with a dame detachable nozzle and a pair of supports located upon opposite sides o said nozzle and independ# ently adjustable for controlling the angle of.

the cut,

3. ina dame cutter, the combination of a detachable nozzle and adjustable means carried thereby for engaging the surface acted. uponl for regulating the relativelyto such surface.

Ll. ln a dame cutter, the combination with a nozzle, et means carried thereby for en gaging the surface of material acted upon, -an adjustable radius-bar secured tol saidv nozzle, and an adjustable axis point for saidf radius-bar. y

5. in a flame cutter, the combination with a nozzle, of means adjustably carrying the nozzle 'for regulating' the angle of the lame to the surface Worked upon, an adjustable radius-bar carried by such nozzle, and an adjustable axis carried by said radius-bar.

6. The combination with a cutter adapted or use with interchangeable ame nozzles, of a pair of supports located upon opposite sides of said cutter and independently adjustable for controlling the angle of the cut.

7. rl`he combination -with y a cutter provided With yan interchangeable nozzle con-.

nection, of a yoke mounted thereon, a pair of wheels carried by said yoke and lindependently adjustable one relatively to the other to control the angle of the cut.

8. The combination with a cutter adapt` 4ed for use with interchan eable flame nozzles, of means for-control ing the angle of the cut, said means comprising a yoke adjustably secured to said cutter, a pair of angle of the cut; A

supports mounted on the opposite ends of said yoke, and means for adjusting said supports relatively to said yoke and to each other, each of said supports being provided with a roller adapted to travel upon the Work.

In witness whereof I have hereunto set my hand in the presence of two subscribing witnesses. l

ADOLF MESSER. Witnesses: JEAN GRUND, CARL GRUND, 

